Haiming Cheng
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View article: Parametric Study of Vanadium Extraction Process from Refining Tailings of Crude Titanium Tetrachloride
Parametric Study of Vanadium Extraction Process from Refining Tailings of Crude Titanium Tetrachloride Open
The recovery of vanadium from titanium tetrachloride tail residue is a resource-efficient and environment-friendly method for treating hazardous vanadium-containing solid waste. In this study, to maximize the recovery rate of vanadium in t…
View article: Immobilization of Lipases on Modified Silica Clay for Bio-Diesel Production: The Effect of Surface Hydrophobicity on Performance
Immobilization of Lipases on Modified Silica Clay for Bio-Diesel Production: The Effect of Surface Hydrophobicity on Performance Open
The hydrophobicity of a support plays a critical role in the catalytic efficiency of immobilized lipases. 3-aminopropyltriethoxysilane (APTES)-modified silica clay (A-SC) was coupled with silane coupling agents of different alkyl chains (m…
View article: Ion-imprinted guanidine-functionalized zeolite molecular sieves enhance the adsorption selectivity and antibacterial properties for uranium extraction
Ion-imprinted guanidine-functionalized zeolite molecular sieves enhance the adsorption selectivity and antibacterial properties for uranium extraction Open
The important properties in the development of adsorbents for uranium extraction from seawater include specific selectivity to uranium ions and anti-biofouling ability in the ocean environment.
View article: Preparation of immobilized pepsin for extraction of collagen from bovine hide
Preparation of immobilized pepsin for extraction of collagen from bovine hide Open
In the extraction of collagens from mammalian tissues, the free pepsin used in the acid–pepsin extraction system is hard to recycle, and there is a risk of enzyme protein contamination in the extracted collagen products, which limits their…
View article: Preparation of Immobilized Lipase on Silica Clay as a Potential Biocatalyst on Synthesis of Biodiesel
Preparation of Immobilized Lipase on Silica Clay as a Potential Biocatalyst on Synthesis of Biodiesel Open
Biodiesel offers an important alternative to fossil fuel. In this work, Eversa Transform 2.0 lipase was immobilized onto 3-aminopropyltriethoxysilane (APTES) modified silica clay (SC) by glutaraldehyde. The characteristics of the functiona…
View article: Screening of additives to reduce grain damage risk on unhairing by proteinase K
Screening of additives to reduce grain damage risk on unhairing by proteinase K Open
Enzymatic unhairing is a cleaner strategy for leather-making. It is a potential alternative to the traditional hair-burning process. However, several shortcomings, such as uncontrolled enzymatic reaction, and risk of grain looseness and da…
View article: Ion-imprinted modified molecular sieves show the efficient selective adsorption of chromium(<scp>vi</scp>) from aqueous solutions
Ion-imprinted modified molecular sieves show the efficient selective adsorption of chromium(<span>vi</span>) from aqueous solutions Open
Molecular sieve 5A was modified with (3-aminopropyl) triethoxysilane (APTES) as the support matrix, on which 4-VP was used as the ionic imprinting group.
View article: Preparation of ZnO nanoparticle loaded amidoximated wool fibers as a promising antibiofouling adsorbent for uranium(<scp>vi</scp>) recovery
Preparation of ZnO nanoparticle loaded amidoximated wool fibers as a promising antibiofouling adsorbent for uranium(<span>vi</span>) recovery Open
In this study, nano-ZnO loaded amidoxime-functionalized wool fibers (wool-AO@ZnO) were synthesized by radiation-induced copolymerization and in situ co-precipitation as a novel adsorbent with good antibiofouling properties for uranium reco…
View article: The preparation of organophosphorus ligand-modified SBA-15 for effective adsorption of Congo red and Reactive red 2
The preparation of organophosphorus ligand-modified SBA-15 for effective adsorption of Congo red and Reactive red 2 Open
P,P-bis (2-oxooxazolidin-3-yl)-N-(3-(triethoxysilyl)propyl)phosphinic amide (APTES-BOP)-modified SBA-15 (SBA-15-BOP) was prepared by a post-synthesis grafting method for the removal of anionic azo dyes from aqueous solutions.
View article: Immobilization of Lipases on Magnetic Collagen Fibers and Its Applications for Short-Chain Ester Synthesis
Immobilization of Lipases on Magnetic Collagen Fibers and Its Applications for Short-Chain Ester Synthesis Open
Magnetic nanoparticles (MNp) Fe3O4 were prepared by chemical coprecipitation, and introduced onto collagen fibers to form magnetic collagen support (MNp-Col) for enzyme immobilization. Candida rugosa lipase has been successfully immobilize…